形容词

1. It was pure luck that he was home when we called.
非常幸运，我们打电话时他在家里。

2. Is the cup made of pure gold?
这只杯子是纯金做的吗？

3. The water in mountain rivers is usually pure.
在山间河流中的水通常是纯净的。

4. By pure chance he found the rare book he needed in a little shop.
纯粹是偶然机会，他在一家小书店看到这本他所需要的稀有的书。

5. It was a pure accident.
这全然是一次意外事故。

1. 纯粹的；不掺杂的
A pure substance is not mixed with anything else.

e.g. ...a carton of pure orange juice.
一盒纯橙汁

2. 纯净的；洁净的；不含有害物质的
Something that is pure is clean and does not contain any harmful substances.

e.g. In remote regions, the air is pure and the crops are free of poisonous insecticides.
在偏远地区，空气很纯净，庄稼也不施用有毒的杀虫剂。
e.g. ...demands for purer and cleaner river water.
需要更纯净、更清洁的河水